Skip to content

PNAS

Page 1 of 1

An external magnet can be used to control the orientation of the screw head in the maglev device. “What we’ve demonstrated in this paper is a noncontact method for manipulating objects,” said Anand Bala Subramaniam, a postdoctoral fellow in chemistry and chemical biology.

Magnetic attraction

System that prompts objects to ‘float’ in suspension could prove boon to manufacturing with fragile materials

Science|

Date

Kevin Lewis (above) and colleagues found that while people who share similar interests in music and movies are more likely to befriend one another, few interests are likely to spread among friends. These findings challenge earlier research.

Taste test

Study of Facebook patterns suggests interests in music, movies unlikely to spread among friends

Science|

Date